cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A226678 Smallest positive integer (or 0 if no such k) with conjecturally exactly n primitive cycles of positive integers under iteration by the Collatz-like 3x-k function.

Table of values

n a(n)
1 11
2 17
3 1
4 385
5 131
6 193
7 641
8 23
9 217
10 7775
11 57095
12 3689
13 1163
14 14185
15 8533
16 467
17 46199
18 20143
19 87089
20 15217
21 973
22 134809
23 14279

List of values

[11, 17, 1, 385, 131, 193, 641, 23, 217, 7775, 57095, 3689, 1163, 14185, 8533, 467, 46199, 20143, 87089, 15217, 973, 134809, 14279]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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